package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);


    /**
     * 插入菜品数据
     *
     * @param dish
     */
    @AutoFill(value = OperationType.INSERT)
    void insert(Dish dish);


    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);

    /**
     * 菜品起售、停售
     * @param status
     * @param id
     * @return
     */
    @AutoFill(value = OperationType.UPDATE)
    @Update("update dish set status = #{status} where id =#{id}")
    void updateStatus(Integer status, long id);

    /**
     * 根据主键查询菜品
     *
     * @param id
     * @return
     */
    @Select("select * from dish where id = #{id}")
    Dish getById(Long id);


    /**
     * 根据主键删除菜品数据
     *
     * @param id
     */
    @Delete("delete from dish where id = #{id}")
    void deleteById(Long id);

    /**
     * 根据菜品id 查询菜品和菜品的关联的口味
     * @param id
     * @return
     */
    @Select("SELECT * FROM dish  left join dish_flavor ON dish.id=dish_flavor.dish_id where dish.id=#{id}")
    DishVO getDishAndDishFlavor(Long id);


    @AutoFill(value = OperationType.UPDATE)
    void update(Dish dish);



    /**
     * 动态查询 菜品 可根据 名字 id 状态查询
     * @param dish
     * @return
     */
    List<Dish> list(Dish dish);
}
